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    When i'm trying to unistall an agent form console from Administration Tab : Agened Managed

    Following error was encountered :

    For more information, see Windows Installer log file "D:\Program Files\Microsoft System Center 2012 R2\Operations Manager\Server\AgentManagement\AgentLogs\servernnameMOMAgentMgmt.log" on the Management Server. 

    from : Sandy

    Wednesday, June 20, 2018 11:06 AM

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    Hi Sandy,

    The "Delete" option deletes the agent from the SCOM Database, but the agent remains installed on the server/computer.  This is often used when the server, which you are deleting will be decomissioned and you don't have to uninstall the agent first. 

    The "Uninstall" option uninstalls the agent . It is used when the server will be kept and you only ned to remove the agent from it. 

    Hope this clarifies the options. 

    Regards,

    (Please take a moment to "Vote as Helpful" and/or "Mark as Answer" where applicable. This helps the community, keeps the forums tidy, and recognizes useful contributions. Thanks!) Blog: https://blog.pohn.ch/ Twitter: @StoyanChalakov


    Thursday, June 21, 2018 8:14 AM

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    Hi,

    What is the error?

    My random guess at this point is that the agent might not be "remotely manageable" from console as it might have been installed manually. You should try changing it to remotely managed first:

    How to get your agents back to “Remotely Manageable”

    Hope this helps

    Cheers

    Sam (Please take a moment to "Vote as Helpful" and/or "Mark as Answer" wherever applicable. Thanks!) Blog:AnalyticOps Insights Twitter:Sameer Mhaisekar

    Wednesday, June 20, 2018 11:45 AM
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    Hi Sandy,

    what does the log actually say? Can you please check it and post here the details?

    Have you checked the agent? Is the service running? 

    Thanks in advance for the details!

    Regards,

    (Please take a moment to "Vote as Helpful" and/or "Mark as Answer" where applicable. This helps the community, keeps the forums tidy, and recognizes useful contributions. Thanks!) Blog: https://blog.pohn.ch/ Twitter: @StoyanChalakov

    Wednesday, June 20, 2018 11:54 AM
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    Following error was encountered :

    For more information, see Windows Installer log file "D:\Program Files\Microsoft System Center 2012 R2\Operations Manager\Server\AgentManagement\AgentLogs\servernnameMOMAgentMgmt.log" on the Management Server. 

    how to find out whether agent is installed manually or by push method

    form : Sandy

    Wednesday, June 20, 2018 12:07 PM
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    Following error was encountered :

    For more information, see Windows Installer log file "D:\Program Files\Microsoft System Center 2012 R2\Operations Manager\Server\AgentManagement\AgentLogs\servernnameMOMAgentMgmt.log" on the Management Server. 

    how to find out whether agent is installed manually or by push method

    form : Sandy

    Still not getting what the error is. Please paste a screenshot.

    If the agent shows as "Yes" in "Remotely Manageable" it is probably installed from console. If not, then manually.

    Cheers

    Sam (Please take a moment to "Vote as Helpful" and/or "Mark as Answer" wherever applicable. Thanks!) Blog:AnalyticOps Insights Twitter:Sameer Mhaisekar

    Wednesday, June 20, 2018 12:13 PM
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    Hi Sandy,

    please post the content from the log, but only the last entries. 

    About the agent. When you navigate to the Agent Managed section in the Device Management (SCOM Console -> Administration) you can right click the columns and display the column "Remotely Managable". Theere you will see it. 

    Regards,

    (Please take a moment to "Vote as Helpful" and/or "Mark as Answer" where applicable. This helps the community, keeps the forums tidy, and recognizes useful contributions. Thanks!) Blog: https://blog.pohn.ch/ Twitter: @StoyanChalakov

    Wednesday, June 20, 2018 12:45 PM
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    >>Following error was encountered : For more information, see Windows Installer log file "D:\Program Files\Microsoft System Center 2012 R2\Operations Manager\Server\AgentManagement\AgentLogs\servernnameMOMAgentMgmt.log" on the Management Server. 1) without going into detail of log file, it is difficult to find the root of the issue. 2) besides, what is your user account used on uninstall agent. More common issue may came from under-privilege user account. 3) makes sure that agent is not used as an proxy for agentless monitoring Roger
    Thursday, June 21, 2018 2:05 AM
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    >>Following error was encountered : For more information, see Windows Installer log file "D:\Program Files\Microsoft System Center 2012 R2\Operations Manager\Server\AgentManagement\AgentLogs\servernnameMOMAgentMgmt.log" on the Management Server. 1) without going into detail of log file, it is difficult to find the root of the issue. 2) besides, what is your user account used on uninstall agent. More common issue may came from under-privilege user account. 3) makes sure that agent is not used as an proxy for agentless monitoring Roger
    Thursday, June 21, 2018 2:06 AM
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    Hi,

    Here is a query to see agents which are installed manually:

    SELECT    DisplayName, IsManuallyInstalled, InstallTime, Version, IsAgent, ProxyingEnabled
FROM     MT_HealthService
WHERE    IsManuallyInstalled IS NOT NULL
ORDER BY IsManuallyInstalled DESC, DisplayName

    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.

    Thursday, June 21, 2018 7:22 AM
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    Difference between Delete and Unistall option when we click any agent in the Administration Tab while removing a agent-based computer from monitoring ?

    from : Sandy

    Thursday, June 21, 2018 8:01 AM
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    Hi Sandy,

    The "Delete" option deletes the agent from the SCOM Database, but the agent remains installed on the server/computer.  This is often used when the server, which you are deleting will be decomissioned and you don't have to uninstall the agent first. 

    The "Uninstall" option uninstalls the agent . It is used when the server will be kept and you only ned to remove the agent from it. 

    Hope this clarifies the options. 

    Regards,

    (Please take a moment to "Vote as Helpful" and/or "Mark as Answer" where applicable. This helps the community, keeps the forums tidy, and recognizes useful contributions. Thanks!) Blog: https://blog.pohn.ch/ Twitter: @StoyanChalakov


    Thursday, June 21, 2018 8:14 AM
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    So what will be the effect if the agent entry is deleted from SCOM Database

    from : Sandy

     
    Thursday, June 21, 2018 8:32 AM
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    Hi Sandy,

    simple: you won't have the server/computer in SCOM anymore, so it won't be monitored, but still an agent will be installed on the system. 

    As a consequence this agent will try to report to the Management Server it has been configured with and eventually appear in "Pending Management" in your console. 

    Regards,

    (Please take a moment to "Vote as Helpful" and/or "Mark as Answer" where applicable. This helps the community, keeps the forums tidy, and recognizes useful contributions. Thanks!) Blog: https://blog.pohn.ch/ Twitter: @StoyanChalakov


    Thursday, June 21, 2018 9:02 AM